Chalfant, Ryan
Current rating: 1503
Record: 3-3
| Grand Prix Pittsburgh 2018 (DOM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 94 | Walko, John (1670) | Lost 0-2 | -151485 |
| 2standard | 247 | Hedges, Steven (1481) | Won 2-0 | +181503 |
| 3standard | 339 | Wallace, Douglas (1413) | Won 2-0 | +161519 |
| 4standard | 213 | Windhorst, Derek (1617) | Lost 0-2 | -161503 |
| 5standard | 306 | Mills, Paul (1545) | Won 2-0 | +191522 |
| 6standard | 216 | Wible, Mike (1466) | Lost 1-2 | -191503 |
| average opponent: 1532record: 3-3 | new rating: 1503 | |||